Notes in Histopathology_3_part2

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Published 08/28/2024 {{c1::Neutrophils}} are the hallmark cell for {{c2::acute}} inflammation and {{c1::lymphocytes}} are the hallmark cell for {{c2::chronic}} inflam…
Published 08/28/2024 If histologic signs of inflammation are found in tissues recoverec at autopsy, this indicates that the injury occured {{c1::before}} death
Published 08/28/2024 What are the 5 cardnial signs of inflammation?{{c1:: heat, redness, swelling, pain, loss of function}}
Published 08/28/2024 Burns will open {{c1::pre-capillary arterioles}} which result in {{c2::increased}} blood flow into the capillaries. This accounts for t…
Published 08/28/2024 After a burn, {{c1::edema}} is caused by the increased pressure in the capillaries and venules forcing {{c2::plasma/transudate}} filtration …
Published 08/28/2024 Edema causes blood flow to be {{c1::slow}} becuase of increased hemoconcentration, and leads to red blood cell {{c1::stacking or congestion}…
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Published 08/28/2024 During the emigration of leukocytes in inflammation, the vessel walls of capillaries venules become more permeable, a process called {{c1::transudatio…
Published 08/28/2024 What are the 4 phases of emigration of leukocytes during inflammation?1. {{c1::adhesion to endothelium}}2. {{c1::insertion of cytoplasmic ps…
Published 08/28/2024 {{c1::chemotaxis}} is a process where PMN's move along a concentration gradient towards a chemoattractant
Published 08/28/2024 After neutrophils phagocytosis something the die. {{c1::puss}} is the buildup of dead neutrophils with tissue debris.
Published 08/28/2024 purulent or suppurative imflammations are when there is a lot of {{c1::pus}}
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Published 08/28/2024 Leukocytosis is when the {{c1::WBC}} count {{c2::exceeds 12-15,000}}
Published 08/28/2024 {{c1::Serous}} inflammation is the mildest form, characterized by {{c2::exudation of a clear fluid like serum}}
Published 08/28/2024 Serous inflammation is typical of (3 things) {{c1::viral infections like Herpesvirus, Autoimmune disorders like SLE and 2nd degree skin burns}}
Published 08/28/2024 {{c1::fibrinous}} inflammation is characterized by an exudate rich in {{c2::fibrin}}. This type of exudates are indicative of severe inflamm…
Published 08/28/2024 {{c1::purulent}} inflammation is caused by pus-forming bacteria such as {{c1::staph and Strept}}
Published 08/28/2024 Large abscesses may also form {{c1::fistulas}}, which are {{c2::channels formed between two preexsiting cavities}}.
Published 08/28/2024 What type of inflammation results in a loss of epithelial lining?{{c1::ulcerative inflammation}}What is the most common disease associated with this t…
Published 08/28/2024 when ulcerative inflammation is combined with fibropurulent  exudation, it is called {{c1::pseudomembranous}} inflammation.What disease is m…
Published 08/28/2024 Chronic inflammation is characterized by exudant rich in {{c1::lymphs, macrophages, and plasma cells}} all which stimulate proliferation of fibro…
Published 08/28/2024 {{c1::Granulomatous}} inflammation is a special form of chronic inflammation with formation of granulomas. This inflammation is most often associated …
Published 08/28/2024 What makes up granulomas and what are they trying to wall off?{{c1::a peripheral rim of lymphocytes and multinucleated giant cells. They are trying to…
Published 08/28/2024 In the lungs, {{c1::granulomas}} may cause cavities, erode blood vessels, and ultimately destroy the lung.This is a well known complication of {{…
Published 08/28/2024 The {{c2::increased}} permeability of the vessel walls of the capillaries and venules lasts for several hours to several days and is usually accompani…
Published 08/28/2024 {{c1::Fibrinous}} exudates are indicative of severe inflammation, and in contrast to serous exudates, which contains predominantly {{c2::Ig’s and Albu…
Published 08/28/2024 During inflammation, The WBC’s “{{c1::Marginate}}” and become attached to the edge of the endothelium, a phenomenon called “{{c2::Pavementing}}”.
Published 08/28/2024 Phagocytosis • The attachment can be facilitated by immunoglobulins or complement which act as {{c1::Opsonins}}.
Published 08/28/2024 {{c1::Serous}} Inflammation • Considered to be the mildest form. • Characterized by the {{c1::exudation}} of fluid that is clear like serum, and occur…
Published 08/28/2024 {{c1::Purulent}} Inflammation • Typically caused by {{c2::pus-forming bacteria}}, such as Staph and Strept. • A viscous, yellow fluid composed of dead…
Published 08/28/2024 {{c1::Ulcerative}} Inflammation • Inflammation of body surfaces or the mucosa of hollow organs, like the stomach or intestines, may result in {{c2::ul…
Published 08/28/2024 {{c1::Pseudomembranous}} Inflammation • A form of {{c2::ulcerative}} inflammation that is combined with fibrinopurulent exudation. • The exudate of fi…
Published 08/28/2024 {{c1::Chronic}} Inflammation • Inflammation that lasts a long time and produces more extensive tissue destruction and has a tendency to heal less read…
Published 08/28/2024 {{c1::Granulomatous}} Inflammation • A special form of {{c2::chronic}} inflammation with formation of collagen tissue from fibroblasts, lymphocytes al…
Published 08/28/2024 {{c1::Granulomatous}} reactions are mediated by {{c2::macrophages}} and T-lymphocytes that accumulate at the site of injury, forming nodules in which …
Published 08/28/2024 • In the lungs, confluent necrotizing granulomas may cause cavities, erode blood vessels, and ultimately destroy the lung. • Bleeding from these erode…
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